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A281255 Number of directed Hamiltonian cycles on the n-halved cube graph. 1
0, 6, 1488, 1973918880, 625659743022644718120960 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,2

LINKS

Table of n, a(n) for n=2..6.

Eric Weisstein's World of Mathematics, Halved Cube Graph

Eric Weisstein's World of Mathematics, Hamiltonian Cycle

CROSSREFS

Sequence in context: A107252 A131453 A265862 * A216934 A308029 A160226

Adjacent sequences:  A281252 A281253 A281254 * A281256 A281257 A281258

KEYWORD

nonn,hard,more

AUTHOR

Eric W. Weisstein, Jan 18 2017

EXTENSIONS

a(6) from Eric W. Weisstein, Feb 10 2017

STATUS

approved

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Last modified May 13 08:08 EDT 2021. Contains 343836 sequences. (Running on oeis4.)